11141111257 has 2 divisors, whose sum is σ = 11141111258. Its totient is φ = 11141111256.

The previous prime is 11141111231. The next prime is 11141111269. The reversal of 11141111257 is 75211114111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8977373001 + 2163738256 = 94749^2 + 46516^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11141111257 is a prime.

It is not a weakly prime, because it can be changed into another prime (11141111207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5570555628 + 5570555629.

It is an arithmetic number, because the mean of its divisors is an integer number (5570555629).

Almost surely, 2^11141111257 is an apocalyptic number.

It is an amenable number.

11141111257 is a deficient number, since it is larger than the sum of its proper divisors (1).

11141111257 is an equidigital number, since it uses as much as digits as its factorization.

11141111257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 280, while the sum is 25.

Adding to 11141111257 its reverse (75211114111), we get a palindrome (86352225368).

The spelling of 11141111257 in words is "eleven billion, one hundred forty-one million, one hundred eleven thousand, two hundred fifty-seven".